annotate ater/submux.h @ 52:626180a15857 default tip

ater play-d144: emit E-data frames manually, osmo_trau_frame_encode() is currently broken for this frame type
author Mychaela Falconia <falcon@freecalypso.org>
date Wed, 25 Sep 2024 06:40:43 +0000
parents 40f781efdbe1
children
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1 /*
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2 * The structures and functions defined in this header file deal with
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3 * interfacing to the Submultiplexer part of Nokia's Transcoder and
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4 * Submultiplexer.
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5 */
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6
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7 #pragma once
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8
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9 #include <stdint.h>
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10 #include <stdbool.h>
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12 #include <osmocom/core/bits.h>
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13 #include <osmocom/isdn/i460_mux.h>
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14 #include <osmocom/trau/trau_frame.h>
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15
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16 #define ATER_SUBSLOTS 4
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17
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18 struct ater_subslot {
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19 struct osmo_i460_subchan *schan;
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20 int nr;
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21 bool is_active;
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22 bool is_data;
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23 bool is_hr_data;
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24 bool is_efr;
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25 bool is_data_144;
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26 bool d144_edata;
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27 struct osmo_trau_frame ul_frame;
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28 unsigned mfrm_count;
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29 uint8_t *play_buffer;
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30 unsigned play_buf_total;
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31 unsigned play_buf_ptr;
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32 bool play_wait_align;
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33 };
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35 extern struct ater_subslot subslots[ATER_SUBSLOTS];
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36
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37 void i460_rx_func(struct osmo_i460_subchan *schan, void *user_data,
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38 const ubit_t *bits, unsigned int num_bits);
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39
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40 void init_trau_ul_frame(int nr);
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41 void init_trau_ul_frame_csd(int nr, bool ir_16k);